APL5551 Datasheet PDF - Anpec Electronics
| Part Number | APL5551 | |
| Description | Dual Channel 500mA/500mA Regulator Reset IC | |
| Manufacturers | Anpec Electronics | |
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There is a preview and APL5551 download ( pdf file ) link at the bottom of this page. Total 17 Pages | ||
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APL5551
Dual Channel 500mA/500mA Regulator + Reset IC
Features
General Description
• Low Quiescent Current : 110µA (No load)
• Low Dropout Voltage :
VDROP1 = 450mV @ 500mA
www.DataSheet4U.com VDROP2 = 500mV @ 500mA
• Fixed Output Voltage :
VOUT1 = 3.3V/500mA
VOUT2 = 2.8V/500mA
• Stable with 4.7µF Output Capacitor
• Stable with Aluminum, Tantalum or Ceramic
Capacitors
• Built in Thermal Protection
• Fast Transient Response
• Short Setting Time
• SOP-8, SOP-8-P with Thermal Pad Packages
• Adjustment-free Reset Detection Voltage :
3.9V typ
• Easy to Set Delay Time from Voltage
Detection to Reset Release
• Lead Free Available (RoHS Compliant)
The APL5551 is a dual-channel regulator with reset
function (specific voltage monitoring), and internal
delay circuit, set to detect 3.9V. Maximum input volt-
age is 6V, and both output1 and output2 can deliver up
to 450mA. The typical dropout voltage of both channel
is 500mV at 500mA loading. Design with an internal
P-channel MOSFET pass transistor, the APL5551 main-
tains a low supply current. Other features include, ther-
mal-shutdown protection, current limit protection to
ensure specified output current. The APL5551 comes
in miniature SOP-8 and SOP-8-P packages.
Pin Configuration
SOP-8 (Top View)
SOP-8-P( Top View)
VIN
VOUT1
Cd
V DET
1
2
3
4
8 CONT
7 GND
6 RESET
5 VOUT2
VIN
VOUT1
Cd
VDET
1
2
3
4
8 CONT
7 GND
6 RESET
5 VOUT2
Applications
• Optical Storage System
= Thermal Pad
(connected to GND plane for better heat
dissipation)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Oct., 2005
1
www.anpec.com.tw
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APL5551
Electrical Characteristics (Cont.)
Unless otherwise noted these specifications apply over full temperature , VIN = 5V, CIN = 1µF, COUT1 = 4.7µF,
COUT2 = 4.7µF, CONT = VIN, TA= -40 to 85°C . Typical values refer to TA= 25°C .
Symbol
Parameter
Test Conditions
RESET / RESET
www.DataSheet4U.com
VOL Low-level Output Voltage
VDET = 3.9V, RL = 4.7kΩ
IOH Output Leakage Current
VDET = 5V
IOL1 Output Current1
VDET = 3.9V, VRESET = 0.4V
IOL2 Output Current2
VDET = 3.9V, VRESET = 0.4V
TA = -20 ~ +80°C
tPLH “H” Transmission Delay Time Cd = 0µ F
tPLH1 Reset Delay Time
VDET = 3.7Và5V, Cd = 0.1µ F
tPHL “L” Transmission Delay Time Cd = 0µ F
VOPL Threshold Operating Voltage VRESET = 0.4V
APL5551
Unit
Min. Typ. Max.
22 60 mV
0.5 1 µA
10 14
mA
8 14
mA
42 90 µs
8 13 18 ms
4 90 µs
0.95 1.25 V
Application Circuit
1µF RL
4.7kΩ
VIN VOUT1
VDET
APL5551
RESET
Cd
VOUT2
GND CONT
0.1µF
COUT2
4.7µF
COUT1
4.7µF
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Oct., 2005
5
www.anpec.com.tw
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for APL5551 electronic component. |
| Information | Total 17 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Product Image and Detail view |  1. PDF - Dual Channel Regulator [ Learn More ] | |
| Download | [ APL5551.PDF Datasheet ] | |
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